University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. Regional Science Teaching Center Research Team. (2002). In-service teacher training programs and development of science and mathematics concepts, skills and values: Consolidated report. UP CIDS and UP NISMED.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. Regional Science Teaching Center Research Team. In-service Teacher Training Programs and Development of Science and Mathematics Concepts, Skills and Values: Consolidated Report. Diliman, Quezon City: UP CIDS and UP NISMED, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines Diliman. National Institute for Science and Mathematics Education Development. Regional Science Teaching Center Research Team. In-service Teacher Training Programs and Development of Science and Mathematics Concepts, Skills and Values: Consolidated Report. UP CIDS and UP NISMED, 2002.